Home / 106,967.18-147,589.70-73,046.21

Finding the Fourth Proportional to 106,967.18, 147,589.70 and 73,046.21

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Solution

The fourth proportional to 106,967.18, 147,589.70 and 73,046.21 is: 100,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,967.18 : 147,589.70 = 73,046.21 : x
  2. Step 2: Convert to fraction form
    106,967.18/147,589.70 = 73,046.21/x
  3. Step 3: Cross multiply
    106,967.18x = 147,589.70 × 73,046.21
  4. Step 4: Simplify right side
    106,967.18x = 10,780,867,116.86
  5. Step 5: Solve for x
    x = 10,780,867,116.86/106,967.18
  6. Step 6: Final answer
    x = 100,786.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.